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ETH Zurich


Using Google to map our ecosystem

Researchers used Google Street View to map street tree canopy coverage in Singapore, finding that increasing cover can reduce ground surface and air temperatures. The study's method could help urban planners prioritize tree planting and create greener environments.

SourceETH Zurich·JournalEcological Indicators·DateFeb 28, 2017

Selenium deficiency promoted by climate change

Scientists modelled global soil selenium concentrations using data mining techniques and found dominant role of climate-soil interactions. Climate change scenarios predict selenium levels to increase in some regions but decrease overall, with up to 66% of croplands expected to lose selenium by the end of the century.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateFeb 20, 2017

Laissez-faire is not good enough for reforestation

A study by ETH Zurich researchers found that tropical tree species rely on bird dispersal for seed spread, but this process is limited to short distances. As a result, reforestation efforts may require active planting of these species to achieve successful restoration.

SourceETH Zurich·JournalNew Phytologist·DateFeb 15, 2017

Success by deception

Researchers developed a novel neural network method that can categorize complex datasets without prior knowledge. By using an 'act as if' principle, they trained networks to mimic human intuition, allowing them to identify boundaries in data. This method has potential applications in physics analysis, machine learning, and data mining.

SourceETH Zurich·JournalNature Physics·DateFeb 13, 2017

Taming complexity

Giuseppe Carleo and Matthias Troyer have found a way to overcome the mathematical complexity of many-particle systems using an artificial neural network. The researchers used reinforcement learning to identify important parameters in chaotic systems, enabling calculations with simplified equations for larger systems.

SourceETH Zurich·JournalScience·DateFeb 10, 2017

Tiny organisms with a massive impact

Researchers found that diatoms' rapid growth creates algal blooms that deplete nutrients in the upper water layer, which then affect global ocean currents. Diatoms absorb zinc and silicon to form shells and transport these trace elements through deep ocean currents.

SourceETH Zurich·JournalNature Geoscience·DateFeb 7, 2017

Artificial beta cells

Researchers at ETH Zurich have created artificial beta cells that can effectively regulate blood sugar levels. These cells work by measuring glucose concentrations in the blood and producing insulin when necessary, making them a promising solution for diabetes treatment.

SourceETH Zurich·JournalScience·DateDec 8, 2016

Miraculous proliferation

Recent experiments by Loessner and his group have shown that L-forms are an independent form of life that can multiply indefinitely. They form a crazy network of vesicles with elastic connector tubes, enabling them to exchange cytoplasm and multiply without cell walls or genetic material.

SourceETH Zurich·JournalNature Communications·DateDec 7, 2016

High-precision magnetic field sensing

Researchers developed a high-precision sensor to measure small variations in strong magnetic fields, enabling the detection of mechanical processes in the body. The technique has broad applications in medicine and biological research, including the development of new contrast agents for MRI.

SourceETH Zurich·JournalNature Communications·DateDec 2, 2016

High-fat diet disrupts brain maturation

A recent study by ETH Zurich researchers found that high-fat diets during adolescence can disrupt brain maturation, leading to impaired cognitive functions in adulthood. The study used mice and found that even short-term exposure to a high-fat diet caused behavioral problems after just four weeks.

SourceETH Zurich·JournalMolecular Psychiatry·DateNov 15, 2016

Hot on the heels of quasiparticles

Researchers have found Fermi polarons, a new type of quasiparticle, in a certain type of semiconductors. This discovery challenges the previous assumption that excitons or trions are formed instead. The study provides valuable insights into the material's properties and has implications for basic research and potential applications.

SourceETH Zurich·JournalNature Physics·DateNov 2, 2016

Iron supplements in the fight against lead

A study led by ETH Zurich researchers found that iron fortification reduces blood lead concentration in children, particularly those with iron deficiency. The trial involved over 450 Moroccan schoolchildren who received iron-fortified biscuits and showed a significant reduction in blood lead levels.

SourceETH Zurich·JournalAmerican Journal of Clinical Nutrition·DateOct 26, 2016

Treating the inflammation in lymphedema

A team of researchers from ETH Zurich has discovered that a specific subset of blood cells - the regulatory T cells - can suppress lymphedema. This finding could help develop therapies to cure lymphedema by targeting inflammatory responses.

SourceETH Zurich·JournalJCI Insight·DateOct 11, 2016

Protein-like structures from the primordial soup

Researchers at ETH Zurich successfully assembled protein-like structures from four simple amino acids, suggesting that these molecules may have been the precursors of life. The findings support the 'amyloid hypothesis,' which proposes that ancient RNA molecules were not capable of self-replication.

SourceETH Zurich·JournalAngewandte Chemie·DateOct 6, 2016

Measuring forces with oscillations

Researchers at ETH Zurich have developed a new principle to measure external forces using parametric oscillation. The discovery has advantages for small sensors, enabling the creation of extremely precise force meters.

SourceETH Zurich·JournalPhysical Review E·DateOct 6, 2016

Vigilin, the lock keeper

Researchers have discovered vigilin, a 'lock keeper' protein in liver cells that regulates fat release and influences transport proteins. The study found a strong correlation between vigilin levels and fatty liver percentage.

SourceETH Zurich·JournalNature Communications·DateOct 6, 2016

New simulations of wind power generation

Researchers have created a more realistic picture of wind energy output in Europe, correcting for biases in existing data. The updated simulations show that the current European average capacity factor is 24.2%, but could increase to over 31% with improved grid interconnection and technology advancements.

SourceETH Zurich·JournalEnergy·DateSep 6, 2016

Freshening of the Southern Ocean

A recent study reveals that the expansion of Antarctic sea ice has caused a significant freshening of the Southern Ocean. The increased freshwater flux from the sea-ice conveyor belt explains the observed salinity changes in the region.

SourceETH Zurich·JournalNature·DateAug 31, 2016

Electrons at the speed limit

Researchers at ETH Zurich have investigated how electrons respond to extremely fast electric fields, reaching speeds of up to petahertz. They observed that the absorption of diamond varied characteristically following the rhythm of the oscillating electric field, confirming the dynamical Franz-Keldysh effect.

SourceETH Zurich·JournalScience·DateAug 26, 2016

Solid batteries improve safety

Researchers at ETH Zurich have developed solid-state batteries that are non-flammable and can be heated to high temperatures. This breakthrough enables faster charging and larger energy capacity, making them suitable for battery storage power plants and portable electronic devices.

SourceETH Zurich·JournalAdvanced Energy Materials·DateAug 16, 2016

Fewer low clouds in the tropics

Researchers have reevaluated satellite data and found that low clouds in the tropics were fewer in warmer years, indicating a possible increase in cloud thinning under global warming. This suggests that climate sensitivity is likely higher than previously estimated, potentially leading to earlier threshold breaches.

SourceETH Zurich·JournalJournal of Climate·DateAug 16, 2016

Opposing mountain ranges

A recent study by ETH Zurich researchers found that opposing mountain ranges will experience different water balance changes due to climate change. The Juncal region in Chile is expected to become even drier, while the upper Langtang valley in Nepal may see increased water discharge due to glacier melt and increased rainfall.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateAug 1, 2016

Lattice structure absorbs vibrations

A new three-dimensional lattice structure developed by ETH scientists can absorb a wide range of vibrations, including those in the audible range. This design allows for improved noise reduction and energy efficiency in machines, vehicles, and aircraft.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateJul 29, 2016

Monitoring cell fates

Researchers at ETH Zurich study how stem cells differentiate into blood cells, revealing complex mechanisms beyond previously thought protein GATA1 and PU.1 roles. This knowledge is vital for developing effective treatments for life-threatening diseases.

SourceETH Zurich·JournalNature·DateJul 27, 2016

Extracting the content of single living cells

Researchers at ETH Zurich have developed a new method for extracting the content of single living cells, enabling scientists to study individual cells at the molecular level. The technique allows for precise extraction of intracellular material, preserving live cells for repeated sampling and analysis.

SourceETH Zurich·JournalCell·DateJul 14, 2016

How molecules can do statistics

Researchers develop Poisson filter, a single-gene noise filter that can cancel out molecular environment effects, enabling context-independent behavior in biological circuits. The filter has potential to improve specificity and efficacy of synthetic biology applications such as new therapeutics or biosensing.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateJun 23, 2016

Chemicals from wood waste

A research team at ETH Zurich has developed a new manufacturing method for succinic acid, a major basic chemical product, using bacteria that convert cellulose from wood waste into glucose. The process is more cost-effective and eco-friendly than traditional oil-based methods.

SourceETH Zurich·JournalEnergy & Environmental Science·DateJun 13, 2016

Proteome of an entire family

A large-scale proteomic study using SWATH-MS technique reveals specific proteins responsible for fat and energy metabolism in mice. The researchers found that COX7A2L protein plays a crucial role in mitochondrial function and its deficiency can lead to metabolic disorders.

SourceETH Zurich·JournalScience·DateJun 9, 2016

Getting the most out of natural gas

Researchers at ETH Zurich successfully upgraded methane into methyl bromide, a base material for fuels and chemicals, through oxybromination chemistry. The new catalyst, vanadium phosphate, enables closed-bromine recycling, making the process more efficient and environmentally friendly.

SourceETH Zurich·JournalNature Chemistry·DateMay 24, 2016

A peachy defense system for seeds

Researchers have developed a biodegradable seed coating that functions like nature's defense system, protecting plant seeds from insects without impairing germination. The coating has been shown to be effective against various cereal pests, including mealworms and beetles, but not against wheat weevils.

SourceETH Zurich·JournalJournal of Agricultural and Food Chemistry·DateMay 23, 2016

Continental drift created biologically diverse coral reefs

Research team led by Loïc Pellissier showed that continental plate movement drove the evolution of new species in coral reefs. The study used computer models and combined different simulations to demonstrate how shallow and warm waters were located throughout Earth history, giving corals a habitat.

SourceETH Zurich·JournalNature Communications·DateMay 6, 2016

Replication of colored 3-D models simplified

Researchers developed a method to replicate complex, colored 3D models quickly and cheaply using an industrial production technique and accessible software. The technique has been tested with various objects, including a Chinese mask and car body shells, producing high-quality replicas.

SourceETH Zurich·JournalACM Transactions on Graphics·DateMay 3, 2016

The United States absorbed carbon dioxide despite a drought

Despite a severe drought, the contiguous United States remained a carbon sink in 2012, absorbing more carbon during warmer springs and releasing less during dry summers. The unique combination of measured data from various sources allowed researchers to calculate the carbon exchange for the entire US during this period.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateApr 25, 2016

Using methane rather than flaring it

Researchers have developed a new approach to convert methane into methanol using copper-containing silicon aluminum compounds as catalysts at constant temperatures and high pressures. This process can potentially reduce the energy waste associated with current industrial methods.

SourceETH Zurich·JournalAngewandte Chemie International Edition·DateApr 14, 2016

Bubbles lead to disaster

Researchers used computer models and laboratory experiments to study bubble behavior in magma reservoirs. They found that bubbles accumulate faster in crystal-rich zones, leading to overpressurization and potential sulfur emissions. This discovery sheds light on the underlying mechanisms of super-volcanic eruptions.

SourceETH Zurich·JournalNature·DateApr 13, 2016

Beta cells from love handles

Scientists have successfully extracted stem cells from a 50-year-old test subject's fatty tissue, applied genetic reprogramming, and produced mature, insulin-producing beta cells. The researchers' technique has the potential to treat diabetes by implanting new functional beta cells made from the patient's own adipose tissue.

SourceETH Zurich·JournalNature Communications·DateApr 11, 2016

Artificial molecules

Scientists at ETH Zurich and IBM Research have developed a new method to manufacture micro-objects with precisely defined magnetic, non-magnetic and differently charged areas. The technique enables the creation of small rods, tiny triangles and basic three-dimensional objects.

SourceETH Zurich·JournalScience Advances·DateApr 1, 2016

Microagents with revolutionary potential

Researchers have created tiny particles that can be precisely controlled by magnetic fields and generate electric fields, revolutionizing medicine and regenerative therapy. These 'Janus' particles can target cancer cells with precision and efficiency, eliminating side effects.

SourceETH Zurich·JournalMaterials Horizons·DateMar 22, 2016

Brain to foot: Come in, foot!

A new study by ETH Zurich researchers sheds light on the body representation in paraplegics, finding altered communication between the brain and foot. The study used a task to analyze participants' responses to pictures of foreign body parts, revealing longer response times for those with complete spinal cord damage.

SourceETH Zurich·JournalScientific Reports·DateMar 22, 2016

Quality control for genetic sequencing

Researchers at ETH Zurich have developed a new genetic method that enables the recording of a vast range of antibodies in an individual with high precision. This breakthrough can be used for vaccine development and early disease detection, offering significant advantages over previous antibody detection techniques.

SourceETH Zurich·JournalScience Advances·DateMar 11, 2016

Atomic vibrations in nanomaterials

Scientists discovered that surface vibrations in nanomaterials significantly affect their behavior, impacting applications such as solar cells. The researchers found that suppressing these vibrations can lead to higher photocurrent and efficiency in solar cells.

SourceETH Zurich·JournalNature·DateMar 9, 2016

Everyone sees the world through their own prism

Researchers found that a person's preconceived ideas, shaped by socialization and politics, influence their views on climate protection. Economic justifications and personal aspects like health do not sway skeptics, highlighting the need for comprehensive communication strategies.

SourceETH Zurich·JournalNature Climate Change·DateMar 8, 2016

Game apps for creative kids

Researchers at ETH Zurich have developed new augmented creativity apps that combine virtual elements with real-life environments, enhancing children's creativity and social skills. The interactive colouring book and collaborative games in 3D showcase the potential of augmented reality to transform public spaces into engaging experiences.

Signpost for sentinel cells

Researchers at ETH Zurich have discovered how dendritic cells advance from capillary vessels towards the lymph node. They found that the cells orient themselves with the help of a molecular mediator named CCL21, which creates a directional gradient.

SourceETH Zurich·JournalCell Reports·DateFeb 15, 2016

'Swiss army knife' molecule

Researchers at ETH Zurich developed a versatile polymer coating with covalent bonds to various materials, preventing biofouling in biomedical diagnostics and medical technology. The 'Swiss army knife' molecule offers simple dip-and-rinse application and withstands harsh conditions.

SourceETH Zurich·JournalMacromolecular Rapid Communications·DateFeb 15, 2016

Switching light with a silver atom

Researchers at ETH Zurich developed a working group that created a tiny, ultra-efficient optical switch using silver atoms. This breakthrough has significant implications for data transmission and storage, as it enables the creation of digital signals with unprecedented accuracy.

SourceETH Zurich·JournalNano Letters·DateFeb 1, 2016